README/SECURITY said gRPC was path-matched (/management.ManagementService/* etc.);
the deployed Caddy route selects gRPC by Content-Type: application/grpc* (NetBird's
own external-proxy example). Reconciled the prose to what actually runs.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Author the four ADR-mandated service-role docs for netbird_coordinator and
add the cross-role access__*/backup__* data (ADR-021/022). First stateful
service: backup__state=true; off-site capture pending the fisi pull node.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
